linux-kernel - [PATCH 4.14 060/126] drivers: net: xgene: Fix the order of the arguments of alloc_etherdev

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Message-Id: <20200310124207.978067587@linuxfoundation.org>
Date:   Tue, 10 Mar 2020 13:41:21 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.14 060/126] drivers: net: xgene: Fix the order of the arguments of alloc_etherdev_mqs()

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>

commit 5a44c71ccda60a50073c5d7fe3f694cdfa3ab0c2 upstream.

'alloc_etherdev_mqs()' expects first 'tx', then 'rx'. The semantic here
looks reversed.

Reorder the arguments passed to 'alloc_etherdev_mqs()' in order to keep
the correct semantic.

In fact, this is a no-op because both XGENE_NUM_[RT]X_RING are 8.

Fixes: 107dec2749fe ("drivers: net: xgene: Add support for multiple queues")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/apm/xgene/xgene_enet_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -2034,7 +2034,7 @@ static int xgene_enet_probe(struct platf
 	int ret;

 	ndev = alloc_etherdev_mqs(sizeof(struct xgene_enet_pdata),
-				  XGENE_NUM_RX_RING, XGENE_NUM_TX_RING);
+				  XGENE_NUM_TX_RING, XGENE_NUM_RX_RING);
 	if (!ndev)
 		return -ENOMEM;